[DEVEXPRESS/WINFORM] TreeList 클래스 : NodesIterator 속성을 사용해 미체크 노드 리스트 구하는 작업 실행하기
DevExpress/WinForm 2020. 5. 26. 21:49728x90
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▶ GetUncheckedNodeTreeListOperation.cs
using System.Collections.Generic;
using System.Windows.Forms;
using DevExpress.XtraTreeList.Nodes;
using DevExpress.XtraTreeList.Nodes.Operations;
namespace TestProject
{
/// <summary>
/// 미체크 노드 구하기 트리 리스트 작업
/// </summary>
public class GetUncheckedNodeTreeListOperation : TreeListOperation
{
//////////////////////////////////////////////////////////////////////////////////////////////////// Field
////////////////////////////////////////////////////////////////////////////////////////// Public
#region Field
/// <summary>
/// 타겟 노드 리스트
/// </summary>
public List<TreeListNode> TargetNodeList = new List<TreeListNode>();
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
////////////////////////////////////////////////////////////////////////////////////////// Public
#region 생성자 - GetUncheckedNodeTreeListOperation()
/// <summary>
/// 생성자
/// </summary>
public GetUncheckedNodeTreeListOperation() : base()
{
}
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Method
////////////////////////////////////////////////////////////////////////////////////////// Public
#region 실행하기 - Execute(node)
/// <summary>
/// 실행하기
/// </summary>
/// <param name="node">노드</param>
public override void Execute(TreeListNode node)
{
if(node.CheckState == CheckState.Unchecked)
{
TargetNodeList.Add(node);
}
}
#endregion
}
}
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▶ MainForm.cs
using System;
using System.Windows.Forms;
using DevExpress.XtraEditors;
using DevExpress.XtraTreeList;
namespace TestProject
{
/// <summary>
/// 메인 폼
/// </summary>
public partial class MainForm : XtraForm
{
//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
////////////////////////////////////////////////////////////////////////////////////////// Public
#region 생성자 - MainForm()
/// <summary>
/// 생성자
/// </summary>
public MainForm()
{
InitializeComponent();
Load += Form_Load;
this.executeButton.Click += executeButton_Click;
}
#endregion
//////////////////////////////////////////////////////////////////////////////////////////////////// Method
////////////////////////////////////////////////////////////////////////////////////////// Private
#region 폼 로드시 처리하기 - Form_Load(sender, e)
/// <summary>
/// 폼 로드시 처리하기
/// </summary>
/// <param name="sender">이벤트 발생자</param>
/// <param name="e">이벤트 인자</param>
private void Form_Load(object sender, EventArgs e)
{
this.treeList.RowHeight = 25;
this.treeList.OptionsView.AutoWidth = false;
this.treeList.OptionsView.CheckBoxStyle = DefaultNodeCheckBoxStyle.Check;
this.treeList.OptionsBehavior.ReadOnly = true;
this.treeList.OptionsBehavior.PopulateServiceColumns = true;
this.treeList.KeyFieldName = "ID";
this.treeList.ParentFieldName = "RegionID";
this.treeList.DataSource = SalesData.GetSalesDataList();
this.treeList.Columns[this.treeList.KeyFieldName ].Visible = false;
this.treeList.Columns[this.treeList.ParentFieldName].Visible = false;
this.treeList.BestFitColumns();
this.treeList.ExpandAll();
}
#endregion
#region 실행 버튼 클릭시 처리하기 - executeButton_Click(sender, e)
/// <summary>
/// 실행 버튼 클릭시 처리하기
/// </summary>
/// <param name="sender">이벤트 발생자</param>
/// <param name="e">이벤트 인자</param>
private void executeButton_Click(object sender, EventArgs e)
{
GetUncheckedNodeTreeListOperation operation = new GetUncheckedNodeTreeListOperation();
this.treeList.NodesIterator.DoOperation(operation);
int count = operation.TargetNodeList.Count;
XtraMessageBox.Show(this, count.ToString(), "INFORMATION", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
#endregion
}
}728x90
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